122111333021012 has 24 divisors (see below), whose sum is σ = 217199839648680. Its totient is φ = 60054252687360.

The previous prime is 122111333020961. The next prime is 122111333021021. The reversal of 122111333021012 is 210120333111221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16093544328976 + 106017788692036 = 4011676^2 + 10296494^2 .

It is a super-2 number, since 2×122111333021012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28096664 + ... + 32150352.

It is an arithmetic number, because the mean of its divisors is an integer number (9049993318695).

Almost surely, 2^{122111333021012} is an apocalyptic number.

It is an amenable number.

122111333021012 is a deficient number, since it is larger than the sum of its proper divisors (95088506627668).

122111333021012 is a wasteful number, since it uses less digits than its factorization.

122111333021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177211 (or 4177209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 122111333021012 its reverse (210120333111221), we get a palindrome (332231666132233).

The spelling of 122111333021012 in words is "one hundred twenty-two trillion, one hundred eleven billion, three hundred thirty-three million, twenty-one thousand, twelve".